<SEC-DOCUMENT>0001564590-18-016097-index.html : 20180727
<SEC-HEADER>0001564590-18-016097.hdr.sgml : 20180727
<ACCEPTANCE-DATETIME>20180625135411
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001564590-18-016097
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20180625

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PATTERSON UTI ENERGY INC
		CENTRAL INDEX KEY:			0000889900
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				752504748
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		10713 WEST SAM HOUSTON PARKWAY NORTH
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77064
		BUSINESS PHONE:		2817657100

	MAIL ADDRESS:	
		STREET 1:		10713 WEST SAM HOUSTON PARKWAY NORTH
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77064

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PATTERSON ENERGY INC
		DATE OF NAME CHANGE:	19940228
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g201806251740134379991.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g201806251740134379991.jpg

</DOCUMENT>
</SEC-DOCUMENT>